MASK

(HIDE) [verb] [T] - to prevent (something) being seen or noticedThey've masked the flavour of the meat by using too much spice.His spots have got so bad that he's started masking them with make-up.She accused the government of masking the true unemployment figures by manipulating the statistics.Masking tape is a strip of sticky material that is put around the edge of something that is being painted in order to protect the surfaces that you do not intend to paint.Don't forget to put some masking tape on the windows before you paint the frames.